#!/bin/bash

dd if=/dev/urandom of=./data_520 count=1 bs=520
dd if=/dev/urandom of=./data_1024 count=1 bs=1024
dd if=/dev/urandom of=./data_4000 count=1 bs=4000

dd if=/dev/urandom of=../data_4000 count=1 bs=4000
